In a statement, Aida Cruises spokesman confirmed the incident happened and said the ship immediately returned to land afterwards:

The cruise ship AIDAluna was on the sea route to Newfoundland when a person jumped overboard in the early hours of September 9 2018. The captain and crew of AIDAluna have immediately taken all necessary rescue measures, in close coordination with the local competent authorities. A cabin check was performed, which confirmed that a male guest was missing. The missing person is Daniel Kaiser-Küblböck. The ship was stopped as a precautionary measure and returned to the spot where the incident was accepted. The search continues. AIDA Cruises fully cooperates with the authorities and works hard to find the missing person. As soon as further information is available, we will make it available.

Canadian coast guard airplanes and helicopters conducted an intensive search for Küblböck but were unable to locate him.

Last month, Küblböck posted a cryptic message to fans on Facebook talking about his struggles with mental illness.

“Dear fans, unfortunately I am still mentally and physically not getting better,” the letter, which has since been deleted read. “I have yet to cope with this pain of the last few months.”